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Dependence of Type Ia supernova luminosities on their local environment

ROMAN, Matthieu; Hardin, Delphine; Betoule, Marc; Astier, Pierre L.; Balland, Christophe; Ellis, Richard S.; Fabbro, S.; Guy, Julien; Hook, Isobel M.; Howell, D. Andrew; Moller, Anais; Mourao, A. M.; Neveu, J.; Palanque-Delabrouille, N.; Pritchet, C. J.; Regnault, N.; Ruhlmann-Kleider, V.; Saunders, C.; Sullivan, M.


We present a fully consistent catalog of local and global properties of host galaxies of 882 Type Ia supernovæ (SNIa) that were selected based on their light-curve properties, spanning the redshift range 0.01 < z < 1. This catalog corresponds to a preliminary version of the compilation sample and includes Supernova Legacy Survey (SNLS) 5-year data, Sloan Digital Sky Survey (SDSS), and low-redshift surveys. We measured low- and moderate-redshift host galaxy photometry in SDSS stacked and...[Show more]

CollectionsANU Research Publications
Date published: 2018-07-16
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201731425
Access Rights: Open Access


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